<template>
  <div>
    <page-container title="文章管理">
      <template #extra>
        <el-button type="primary" @click="publish">发布文章</el-button>
      </template>
      <template #form>
        <el-row>
          <div>文章分类:</div>
          <el-select
            v-model="params.cate_id"
            placeholder="请选择"
            style="width: 180px">
            <!-- label是展示的，value是值是提交的 -->
            <el-option
              v-for="item in cateListData"
              :key="item.cate_id"
              :label="item.cate_name"
              :value="item.id" />
          </el-select>
          <div>发布状态:</div>
          <el-select
            v-model="params.state"
            placeholder="请选择"
            style="width: 180px">
            <el-option label="已发布" value="已发布" />
            <el-option label="草稿" value="草稿" />
          </el-select>
          <el-button type="primary" @click="searchHandle"> 搜索</el-button>
          <el-button plain @click="resetHandle">重置</el-button>
        </el-row>

        <el-table
          border
          v-loading="Loading"
          :data="tableListData"
          stripe
          :default-sort="{ prop: 'date', order: 'descending' }"
          :header-cell-style="{
            'text-align': 'center',
            'background-color': '#415845',
            color: '#fff',
            'font-size': '14px',
            'font-weight': 'bold',
            height: '50px'
          }"
          style="width: 100%">
          <el-table-column prop="title" label="文章标题" width="280">
            <template #default="{ row }">
              <el-link type="primary" :underline="false">
                {{ row.title }}
              </el-link>
            </template>
          </el-table-column>
          <el-table-column prop="cate_name" sortable label="分类" />
          <el-table-column prop="pub_date" sortable label="发布时间">
            <template #default="{ row }">
              {{ formatDate(row.pub_date) }}
            </template>
          </el-table-column>
          <el-table-column prop="state" sortable label="状态" />
          <el-table-column label="操作">
            <template #default="{ row, $index }">
              <el-button plain type="primary" :icon="Edit" circle> </el-button>
              <el-button plain type="danger" :icon="Delete" circle> </el-button>
            </template>
          </el-table-column>
          <template #empty>
            <el-empty description="暂无数据" />
          </template>
        </el-table>
        <!-- 分页 -->
        <el-pagination
          v-model:current-page="params.pagenum"
          v-model:page-size="params.pagesize"
          :page-sizes="[5, 10]"
          :small="small"
          :disabled="disabled"
          :background="background"
          layout="jumper,total, sizes, prev, pager, next"
          :total="total"
          @size-change="handleSizeChange"
          style="margin-top: 20px; justify-content: flex-end"
          @current-change="handleCurrentChange" />
        <articleEdit ref="articleDrawer"></articleEdit>
      </template>
    </page-container>
  </div>
</template>
<script setup>
  import articleEdit from '@/components/articleEdit.vue';
  import { ref, onMounted } from 'vue';
  import { Delete, Edit, InfoFilled } from '@element-plus/icons-vue';
  import { cateListApi, articleListApi } from '@/api/article';
  import { formatDate } from '@/utils/format.js';

  // 发布文章抽屉
  const articleDrawer = ref();
  const publish = () => {
    articleDrawer.value.open({});
  };

  const params = ref({
    pagenum: 1,
    pagesize: 5,
    cate_id: '',
    state: ''
  });
  // 文章分类下拉框
  let cateListData = ref([]);
  const getCateList = async () => {
    const res = await cateListApi();
    cateListData.value = res.data;
    console.log(cateListData.value, '文章分类下拉框');
  };
  // 初始化数据
  let tableListData = ref([]);
  const total = ref(0);
  let Loading = ref(false);
  // 获取文章列表
  const getarticleList = async () => {
    Loading.value = true;
    const res = await articleListApi(params.value);
    tableListData.value = res.data;
    console.log(tableListData.value, '文章列表');
    Loading.value = false;
    total.value = res.total;
  };
  // 初始化数据
  onMounted(() => {
    getCateList();
    getarticleList();
  });
  // 搜索事件
  const searchHandle = () => {
    params.value.pagenum = 1;
    getarticleList();
    console.log('搜索');
  };
  // 重置事件
  const resetHandle = () => {
    console.log('重置');
    params.value = {
      pagenum: 1,
      pagesize: 5,
      cate_id: '',
      state: ''
    };
    getarticleList();
  };
  // 分页组件属性
  const small = ref(false);
  const disabled = ref(false);
  const background = ref(false);
  // 分页事件
  const handleSizeChange = (val) => {
    Loading.value = true;
    params.value.pagenum = 1;
    params.value.pagesize = val;
    getarticleList();
    Loading.value = false;
  };
  const handleCurrentChange = (val) => {
    Loading.value = true;
    params.value.pagenum = val;
    getarticleList();
    Loading.value = false;
  };
</script>
<style lang="less" scoped>
  .page-container {
    box-sizing: border-box;
  }

  .el-row {
    display: flex;
    align-items: center;
    margin-bottom: 20px;

    .el-select {
      margin-right: 30px;
    }

    div {
      margin-right: 20px;
      font-size: 15px;
    }
  }
</style>
